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| the combination of all things and factors external to the individual or population of organisms |
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| the study of any and all aspects of how organisms interact with each other and with their environment |
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| a grouping of plants animals and other organisms interacting with each other and with their environment |
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| overall ecosystem on earth |
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| feeding level with respect to the primary source of energy. |
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| areas that are constantly wet and are flooded at more or less regular intervals |
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| complete utilization, destruction, or mining of resources |
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intimate living together or association of two kinds of organisms
mycorrhizae |
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| Heterotrophic w/ examples |
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organism that consumes organic matter as a source of energy
cow/horse/bee |
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organism that produces organic matter as a source of energy
grass/flowers/etc |
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| light energy is used to produce glucose from CO2 and H20 |
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| green pigment in plants responsible for absorbing light |
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| process where some microorganisms utilize the chemical energy contained in reduced inorganic compounds as a source of energy |
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photosynthesis organisms
create their own food |
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| Consume other organisms for energy |
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| Fungal Hyphae or Mycelium |
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| threadlike feeding filaments of fungi |
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| attitude of active care and concern for natural lands. |
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| action of the state to seize private property or not allow use for monetary compensation |
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| mycelia of fungi that grown symbiotically with the roots of the plants and provide additional nutrient uptake |
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| Multiple use of federal lands |
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| Wilderness areas, national parks, grazing, mining, logging, recreation, wildlife |
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| variety of organisms and their interactions |
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| low rainfall regions that exists on the downwind side of a mountain range. |
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| Endangered Species Act of 1973 |
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| Federal mandate that protects species and their habitats that are in danger of extinction |
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| water that has accumulated in the ground, completely filling and saturating all pores and spaces in rock or soil |
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| water that clings in small pores, cracks and spaces against the pull of gravity |
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| process in which water soaks into soul as opposed to running off the surface of the soil |
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| process of water seeping downward through cracks and pores in soil or rock |
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| process in which material in or on the soil gradually dissolve and are carried by water seeping through the soil |
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| cells with no nucleus or membrane bound organelles |
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cells with a nucleus and membrane bound organelles
plant/animal cells |
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| 1st law of Thermodynamics |
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| energy can be changed from one form or another, but cannot be created nor destroyed |
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| 2nd law of Thermodynamics |
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in all energy exchanges, if no energy enters or leaves the system, the potential energy of the state will always be less than that of the initial state
entropy |
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| Geometric vs. Arithmetic increases (who wrote about these) |
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geometric= constant growth
arithmetic=rate of change is increasing |
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| 6CO2 + 6H2O + light -> C6H12O6 + 6O2 |
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| C6H12O6 + 6O2 -> 6CO2+ 6H2O + energy |
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| NO3- -> NO2- -> N2O -> N2 |
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| Nitrate moving downward with percolating water. |
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| Soluble phosphate -> insoluble (fixed) phosphate |
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| top-most layer in a thermally stratified lake |
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| transition layer between deep and surface water |
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| dense, bottom layer of water in a thermally-stratified lake |
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